Product Description
Type 94605/946H5/95605/956H5
4.6mm Nominal Bore Enclosed Discharge Safety Relief Valve for Compressed Air & Gases – Including Hydrogen
Example Applications:
- Air/Gas Compression
- Air/Gas Boosters
- Natural Gas
- Pressure Vessels
- Hydrogen Production
- Hydrogen Storage
Key Features:
- Compact and space-saving design
- Designed and built for repeatable operation
- Advanced sealing technology with super-lapped hard-faced seat and disc, designed to offer robust high-performance sealing
- Orientable gas-tight packed lever option (9*6H5 only)
- Simple and robust design with three moving parts
- Maintenance-friendly design
- All wrought construction with no castings
- Designed with Hydrogen embrittlement resistant materials (H2 option)**For Hydrogen applications above 515 bar, a ceramic disc is required, use type 956H5**
Technical Information
Technical Information for Type 94605 / 946H5 / 95605 / 956H5
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Min. Pressure35.00 bar (507.50 psi)
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Max. Pressure1100.00 bar (15950.00 psi)
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Temperature Range-196°C to 300°C (subject to seal material)
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Flow Area16.61 mm² (4.6 mm inlet bore diameter)
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Inlet Connection(s)BSPP, BSPT, NPT or Cone & Thread
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Outlet Connection(s)BSPP or NPT
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Flow RateRefer to Flow Tables on the datasheet
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MaterialsSt. Steel
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Seal MaterialsMetal or ceramic disc seal
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Test CertificationIncluded - supplied Free of charge
Flow Rates:
- See Datasheet
Materials:
- Stainless Steel construction with metal or ceramic disc seal
Notes:
- The maximum permissible built-up back pressure is 10% of the set pressure
- Relieving pressure is set pressure +10%
- For Hydrogen applications above 515 bar, a ceramic disc is required, use type 956H5**
Inlet connection options:
- BSP (male) max 515 bar
- BSPT (male) max 515 bar
- NPT (male) max 1034 bar
- Cone & Thread (female) max 1100 bar
Approvals:
- BS EN ISO 4126-1
- PED 2014/68/EU
- Module B – TÜV Rheinland
- Module D – LRQA Deutschland
- PE(S)R 2016 (UKCA)
- Module B – TÜV UK
- Module D – LRQA UK
- Seat tightness better than API 527
(EAC marking available upon request)
Pressure Guardians
Pressure relief valves stand sentinel in diverse systems, automatically releasing excess pressure and preventing equipment damage. Essential safety measures for various industries and applications.
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View Seetru Product for Hydrogen
Seetru offers a range of safety relief valves and change-over valves for hydrogen applications. Seetru safety relief valves are efficient and incorporate the exclusive Tutchtite– seal technology for repeatable bubble-tight sealing performance: designed for applications including air/gas compressors, specialist gas plants, chemical equipment and piping, pressure vessels, thermal relief and medical gases, etc.
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